E02B 9/04
Free-flow canals or flumes
Official title: Free-flow canals or flumes; Intakes (gratings or screens therefor E02B5/08)
E02B9/04 (Free-flow canals or flumes) appears on 53 US grants and 39 published applications in this corpus.
Search patents in E02B- Granted patents
- 53
- Published applications
- 39
- Assignees
- 30
- Inventors
- 109
- Latest grant
- 19 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 2 |
| 2008 | 3 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 2 | 3 |
| 2012 | 2 | 5 |
| 2013 | 1 | 5 |
| 2014 | 4 | 4 |
| 2015 | 1 | 2 |
| 2016 | 2 | 0 |
| 2017 | 5 | 0 |
| 2018 | 1 | 3 |
| 2019 | 2 | 3 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 2 | 2 |
| 2023 | 0 | 0 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Environmentally friendly sea water intake system19 Nov 2024US 12,145,867 B2Ide Water Technologies Ltd.
- Screen intake flow control and support device16 Jan 2024US 11,873,612 B2Johnson Screens, Inc.
- Lateral water intake structure for preventing silting of bed load and floating debris10 May 2022US 11,326,318 B2China Institute of Water Resources and Hydropower Research
- Cassette1 Mar 2022US 11,261,574 B1Emrgy Inc.
- Cubical support for a foot valve21 Dec 2021US 11,203,854 B1
- Enviornmentally friendly sea water intake system6 Oct 2022US 2022/0315451 A1Ide Water Technologies Ltd.
- Lateral water intake structure for preventing silting of bed load and floating debris3 Mar 2022US 2022/0064888 A1China Institute of Water Resources and Hydropower Research
- Water intake structure17 Dec 2020US 2020/0392687 A1Sea to Sky Energy Solutions Corp.
- Screen intake flow control and support device26 Dec 2019US 2019/0390428 A1Johnson Screens, Inc.
- Aquelectraduct15 Aug 2019US 2019/0249691 A1
Most cited
By later US patents
- Hydro-electric power plant47US 4,241,283 A1980
- Dry hydrant check valve33US 5,509,437 ASchlumberger Industries · 1996
- Dry hydrant siphon assembly30US 5,797,421 ASchlumberger Industries · 1998
- Waste water electrical power generating system29US 7,357,599 B2Criptonic Energy Solutions, Inc. · 2008
- Waste water electrical power generating system19US 7,452,160 B22008